Viewing file:  errors.py (3.03 KB) -rw-r--r--
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import sys
OS = sys.platform
def _as_tuple(items):
if isinstance(items, str):
return tuple(items.strip().replace(',', ' ').split())
elif items:
return tuple(items)
else:
return ()
class PreprocessorError(Exception):
"""Something preprocessor-related went wrong."""
@classmethod
def _msg(cls, filename, reason, **ignored):
msg = 'failure while preprocessing'
if reason:
msg = f'{msg} ({reason})'
return msg
def __init__(self, filename, preprocessor=None, reason=None):
if isinstance(reason, str):
reason = reason.strip()
self.filename = filename
self.preprocessor = preprocessor or None
self.reason = str(reason) if reason else None
msg = self._msg(**vars(self))
msg = f'({filename}) {msg}'
if preprocessor:
msg = f'[{preprocessor}] {msg}'
super().__init__(msg)
class PreprocessorFailure(PreprocessorError):
"""The preprocessor command failed."""
@classmethod
def _msg(cls, error, **ignored):
msg = 'preprocessor command failed'
if error:
msg = f'{msg} {error}'
return msg
def __init__(self, filename, argv, error=None, preprocessor=None):
exitcode = -1
if isinstance(error, tuple):
if len(error) == 2:
error, exitcode = error
else:
error = str(error)
if isinstance(error, str):
error = error.strip()
self.argv = _as_tuple(argv) or None
self.error = error if error else None
self.exitcode = exitcode
reason = str(self.error)
super().__init__(filename, preprocessor, reason)
class ErrorDirectiveError(PreprocessorFailure):
"""The file hit a #error directive."""
@classmethod
def _msg(cls, error, **ignored):
return f'#error directive hit ({error})'
def __init__(self, filename, argv, error, *args, **kwargs):
super().__init__(filename, argv, error, *args, **kwargs)
class MissingDependenciesError(PreprocessorFailure):
"""The preprocessor did not have access to all the target's dependencies."""
@classmethod
def _msg(cls, missing, **ignored):
msg = 'preprocessing failed due to missing dependencies'
if missing:
msg = f'{msg} ({", ".join(missing)})'
return msg
def __init__(self, filename, missing=None, *args, **kwargs):
self.missing = _as_tuple(missing) or None
super().__init__(filename, *args, **kwargs)
class OSMismatchError(MissingDependenciesError):
"""The target is not compatible with the host OS."""
@classmethod
def _msg(cls, expected, **ignored):
return f'OS is {OS} but expected {expected or "???"}'
def __init__(self, filename, expected=None, *args, **kwargs):
if isinstance(expected, str):
expected = expected.strip()
self.actual = OS
self.expected = expected if expected else None
super().__init__(filename, None, *args, **kwargs)
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